2. Solved Papers
  3. BHU PMT

BHU PMT BHU PMT (Screening) Solved Paper-2007

  • question_answer
    The percentage of \[{{O}_{2}}\]in inhaled air is about

    A)  21%                                      

    B)  16%

    C)   79%                                     

    D)  4%

    Correct Answer: A

    Solution :

                     The percentage of oxygen in inhaled air is about 21% and oxygen content of the air we expire is about 16%.


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